The correct answer is: C.They are carry around the body in the circulatory system.
Due to the wolves being the natural predator of some species, like elk, the population would likely be impacted after the reintroduction of the wolves. These wolves would hunt their prey, causing a drop in population.
The microorganisms was unicellular and had a well - defined nucleus.
The one that is consider as not an obstacle for the sperm within the female reproductive system would be the cilia located within the Fallopian tube. Hope this answer would be the best and would be of big help then.
